– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 10 am Tue 12 May Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 am Tue 12 May Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Tue 12 May Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryHeavy rain (total 38mm), heaviest during Tue night. Warm (max 24°C on Tue afternoon, min 6°C on Wed night). Wind will be generally light. | Days 4–6 Weather SummaryHeavy rain (total 40mm), heaviest during Fri afternoon. Mild temperatures (max 8°C on Sun afternoon, min 3°C on Sat night). Wind will be generally light. | |||||||||||||||||
Tuesday 12 | Wednesday 13 | Thursday 14 | Friday 15 | Saturday 16 | Sunday 17 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  |  | |  | | | | |  |  | | | | |
cloudy | some clouds | heavy rain | heavy rain | light rain | light rain | rain shwrs | rain shwrs | rain shwrs | light rain | heavy rain | heavy rain | light rain | mod. rain | mod. rain | rain shwrs | rain shwrs | light rain | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | 14 | 10 | 4 | 4 | 1.1 | 1.3 | 3 | 1.6 | 10 | 11 | 2 | 8 | 5 | 0.7 | 0.3 | 0.1 | |
max °C | 23 | 24 | 19 | 9 | 8 | 7 | 9 | 11 | 7 | 6 | 6 | 5 | 6 | 5 | 4 | 5 | 8 | 7 |
min °C | 19 | 23 | 11 | 7 | 7 | 6 | 7 | 9 | 6 | 6 | 4 | 4 | 5 | 4 | 3 | 4 | 7 | 5 |
19 | 23 | 10 | 5 | 5 | 5 | 6 | 8 | 5 | 5 | 4 | 4 | 5 | 3 | 3 | 4 | 7 | 5 | |
3700 | 3500 | 2900 | 1750 | 1750 | 1450 | 1600 | 1650 | 1450 | 1350 | 1250 | 1150 | 1250 | 1100 | 950 | 1200 | 1550 | 1600 | |
Cloud base (m) | 5950 | 700 | 550 | 600 | 600 | 850 | 1600 | 600 | 650 | 600 | 600 | 600 | 550 | 600 | 600 | 800 | 700 | |
 | 5:31 | — | — | 5:28 | — | — | 5:28 | — | — | 5:26 | — | — | 5:24 | — | — | 5:24 | — | — |
 | — | — | 8:37 | — | — | 8:38 | — | — | 8:39 | — | — | 8:42 | — | — | 8:43 | — | — | 8:44 |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Heavy rain (total 38mm), heaviest during Tue night. Warm (max 24°C on Tue afternoon, min 6°C on Wed night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Heavy rain (total 40mm), heaviest during Fri afternoon. Mild temperatures (max 8°C on Sun afternoon, min 3°C on Sat night). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.